Add config for rancher-node-staging-rke2-metal01

Previously known as beaubourg.

Refs. sysadm-environment#5251

configs/rancher-node-staging-rke2-metal01.yaml

+---
+VLAN_ID: 443
+IPADDRESS: 192.168.130.151
+NETMASK: 255.255.255.0
+GATEWAY: 192.168.130.1
+NAMESERVER: 192.168.100.29
+HOSTNAME: rancher-node-staging-rke2-metal01
+DOMAINNAME: internal.staging.swh.network
+DEPLOYMENT: staging
+SUBNET: sesi_rocquencourt_staging
+BOOT_DISK_ID_PATTERN: "wwn-0x61866da0734677001fbdcb6b0f36a29c"
+# 1 raid virtual disk (and no boot controller disk)
+# PARTMAN_METHOD: raid
+# RAID_DISKS:
+#   - /dev/sdm1